Setting Jumpers 412
Introduction
5. Close the IOLAN case by replacing the case lid and the two screws. You can now power it on
with the new settings.
4-Port Desktop IOLAN
To change the settings, do the following:
1. Unplug the IOLAN from the electrical outlet and disconnect everything from the box.
2. Open the case by unscrewing the two side screws, one on each side, and lifting off the top of the
case. You should see the following:
3. The following table describes how to jumper the pins for line termination, fixed 5V output, and
for output equal to the external adapter input:
4. Close the IOLAN case by replacing the case lid and the two screws. You can now power it on
with the new settings.
Note: Serial power in is not supported in the SDS2 PoE model.
Port # Line Termination 5V Output Input Volt Output
1Jumper J7 for Full
Duplex
Jumper J8 for Half
Duplex Rx/Tx
J4, jumper pins 1 & 2 J4, jumper pins 2 &
3
2Jumper J9 for Full
Duplex Rx
Jumper J11 for Half
Duplex Rx/Tx
J5, jumper pins 1 & 2 J5, jumper pins 2 &
3
3Jumper J22 for Full
Duplex Rx
Jumper J24 for Half
Duplex Rx/Tx
J10, jumper pins 1 & 2 J10, jumper pins 2
& 3
4Jumper J23 for Full
Duplex Rx
Jumper J25 for Half
Duplex Rx/Tx
J6, jumper pins 1 & 2 J6, jumper pins 2 &
3
2
Power
DIP
Switch
Reset
RJ45
J11 J9
J7 J24
134
J8
J4 J5
J22
J10
J25 J23
J6
Screw
Screw
The pin with the
square represents
Pin 1 --->